本文整理汇总了Java中org.apache.flink.runtime.state.StateInitializationContext.isRestored方法的典型用法代码示例。如果您正苦于以下问题：Java StateInitializationContext.isRestored方法的具体用法？Java StateInitializationContext.isRestored怎么用？Java StateInitializationContext.isRestored使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.flink.runtime.state.StateInitializationContext的用法示例。
在下文中一共展示了StateInitializationContext.isRestored方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: initializeState
import org.apache.flink.runtime.state.StateInitializationContext; //导入方法依赖的package包/类
@Override
public void initializeState(StateInitializationContext context) throws Exception {
super.initializeState(context);
Preconditions.checkState(this.checkpointedState == null,
"The reader state has already been initialized.");
checkpointedState = context.getOperatorStateStore()
.getSerializableListState("pending-checkpoints");
int subtaskIdx = getRuntimeContext().getIndexOfThisSubtask();
if (context.isRestored()) {
LOG.info("Restoring state for the GenericWriteAheadSink (taskIdx={}).", subtaskIdx);
for (PendingCheckpoint pendingCheckpoint : checkpointedState.get()) {
this.pendingCheckpoints.add(pendingCheckpoint);
}
if (LOG.isDebugEnabled()) {
LOG.debug("GenericWriteAheadSink idx {} restored {}.", subtaskIdx, this.pendingCheckpoints);
}
} else {
LOG.info("No state to restore for the GenericWriteAheadSink (taskIdx={}).", subtaskIdx);
}
}
示例2: initializeState
import org.apache.flink.runtime.state.StateInitializationContext; //导入方法依赖的package包/类
@Override
public void initializeState(StateInitializationContext context) throws Exception {
super.initializeState(context);
if (siddhiRuntimeState == null) {
siddhiRuntimeState = context.getOperatorStateStore().getUnionListState(new ListStateDescriptor<>(SIDDHI_RUNTIME_STATE_NAME,
new BytePrimitiveArraySerializer()));
}
if (queuedRecordsState == null) {
queuedRecordsState = context.getOperatorStateStore().getListState(
new ListStateDescriptor<>(QUEUED_RECORDS_STATE_NAME, new BytePrimitiveArraySerializer()));
}
if (context.isRestored()) {
restoreState();
}
}
示例3: initializeState
import org.apache.flink.runtime.state.StateInitializationContext; //导入方法依赖的package包/类
@Override
public void initializeState(StateInitializationContext context) throws Exception {
super.initializeState(context);
if (siddhiRuntimeState == null) {
siddhiRuntimeState = context.getOperatorStateStore().getUnionListState(new ListStateDescriptor<>(SIDDHI_RUNTIME_STATE_NAME,
new BytePrimitiveArraySerializer()));
}
if (queuedRecordsState == null) {
queuedRecordsState = context.getOperatorStateStore().getListState(
new ListStateDescriptor<>(QUEUED_RECORDS_STATE_NAME, new BytePrimitiveArraySerializer()));
}
if (context.isRestored()) {
restoreState();
}
}
示例4: initializeState
import org.apache.flink.runtime.state.StateInitializationContext; //导入方法依赖的package包/类
@Override
public void initializeState(StateInitializationContext context) throws Exception {
super.initializeState(context);
checkState(checkpointedState == null, "The reader state has already been initialized.");
checkpointedState = context.getOperatorStateStore().getSerializableListState("splits");
int subtaskIdx = getRuntimeContext().getIndexOfThisSubtask();
if (context.isRestored()) {
LOG.info("Restoring state for the {} (taskIdx={}).", getClass().getSimpleName(), subtaskIdx);
// this may not be null in case we migrate from a previous Flink version.
if (restoredReaderState == null) {
restoredReaderState = new ArrayList<>();
for (TimestampedFileInputSplit split : checkpointedState.get()) {
restoredReaderState.add(split);
}
if (LOG.isDebugEnabled()) {
LOG.debug("{} (taskIdx={}) restored {}.", getClass().getSimpleName(), subtaskIdx, restoredReaderState);
}
}
} else {
LOG.info("No state to restore for the {} (taskIdx={}).", getClass().getSimpleName(), subtaskIdx);
}
}
示例5: tryRestoreFunction
import org.apache.flink.runtime.state.StateInitializationContext; //导入方法依赖的package包/类
private static boolean tryRestoreFunction(
StateInitializationContext context,
Function userFunction) throws Exception {
if (userFunction instanceof CheckpointedFunction) {
((CheckpointedFunction) userFunction).initializeState(context);
return true;
}
if (context.isRestored() && userFunction instanceof ListCheckpointed) {
@SuppressWarnings("unchecked")
ListCheckpointed<Serializable> listCheckpointedFun = (ListCheckpointed<Serializable>) userFunction;
ListState<Serializable> listState = context.getOperatorStateStore().
getSerializableListState(DefaultOperatorStateBackend.DEFAULT_OPERATOR_STATE_NAME);
List<Serializable> list = new ArrayList<>();
for (Serializable serializable : listState.get()) {
list.add(serializable);
}
try {
listCheckpointedFun.restoreState(list);
} catch (Exception e) {
throw new Exception("Failed to restore state to function: " + e.getMessage(), e);
}
return true;
}
return false;
}
示例6: initializeState
import org.apache.flink.runtime.state.StateInitializationContext; //导入方法依赖的package包/类
@Override
public void initializeState(StateInitializationContext context) throws Exception {
super.initializeState(context);
counterState = context
.getOperatorStateStore()
.getListState(new ListStateDescriptor<>("counter-state", LongSerializer.INSTANCE));
if (context.isRestored()) {
for (Long value : counterState.get()) {
counter += value;
}
counterState.clear();
}
}
示例7: initializeState
import org.apache.flink.runtime.state.StateInitializationContext; //导入方法依赖的package包/类
@Override
public void initializeState(StateInitializationContext context) throws Exception {
if (context.isRestored()) {
++numberRestoreCalls;
}
}